64246650306253 has 8 divisors (see below), whose sum is σ = 67199982897600. Its totient is φ = 61306651045728.

The previous prime is 64246650306247. The next prime is 64246650306263. The reversal of 64246650306253 is 35260305664246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64246650306253 - 2⁹ = 64246650305741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64246650306253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64246650306263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3333322848 + ... + 3333342121.

It is an arithmetic number, because the mean of its divisors is an integer number (8399997862200).

Almost surely, 2^{64246650306253} is an apocalyptic number.

It is an amenable number.

64246650306253 is a deficient number, since it is larger than the sum of its proper divisors (2953332591347).

64246650306253 is a wasteful number, since it uses less digits than its factorization.

64246650306253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6666665411.

The product of its (nonzero) digits is 18662400, while the sum is 52.

The spelling of 64246650306253 in words is "sixty-four trillion, two hundred forty-six billion, six hundred fifty million, three hundred six thousand, two hundred fifty-three".